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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin >> n;
  8.  
  9. 	vector<int> arr(n);
  10.  
  11. 	for(int i=0; i<n; i++) {
  12. 		cin >> arr[i];
  13. 	}
  14.  
  15. 	vector<int> dp(n);
  16.  
  17. 	int kk = 0;
  18.  
  19. 	dp[0] = max(arr[0], kk);
  20. 	dp[1] = max(arr[1], max(arr[0], kk));
  21.  
  22. 	for(int i=2; i<n; i++) {
  23. 		dp[i] = max(dp[i-1], arr[i] + dp[i-2]);
  24. 	}
  25. 	cout << dp[n-1];
  26. 	return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5300KB
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stdin
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5
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-3
5
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stdout
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14
https://ideone.com/LSP7j6
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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